Troubleshooting- 414 -For WindowsCause Solution ReferenceThe IP address is incorrect. Check that the IP address of this machine matches theone set on the PC. Make sure the IP address does not overlap with that ofother devices. If [IP Address Set] is set to [Auto], the address maychange dynamically. If the setting changes frequently,change [IP Address Set] of this machine to [Manual],and match the IP address of this machine with the oneset on the PC. Make sure the configured IP address, subnet maskand gateway address are all correct. Make sure that the print port of the printer driver iscorrect. For the OKI LPR Utility, check the IP address settingswith the OKI LPR utility.Printing the menumap(configuration)(P.97)OKI LPRUtility(P.281)The WSD port is in use. When the print port does not function well with [WSD],specify the IP address or short printer name of this machinein the Standard TCP/IP port, and add the print port.-Troubleshooting for wireless LAN connectionUnable to connect to wireless LANFor Windows/macOSCause Solution ReferenceThe Wireless LAN module is notenabled.To connect to a wireless LAN, set [Extended Network] to[Wireless].Wireless LAN and optional wired LAN (LAN2) cannot beused at the same time.Connection formvia a wirelessLAN(P.51)Connecting via anaccess point(Infrastructure)(P.52)Connectingdirectly with thismachine (APmode)(P.64)Settings are not insufficient toconnect.To connect via the wireless LAN access point or thewireless LAN router, set the wireless LAN (Infrastructure)accordingly.To connect a mobile device directly to this machine, set thewireless LAN (AP mode) accordingly.Connecting via anaccess point(Infrastructure)(P.52)Connectingdirectly with thismachine (APmode)(P.64)